OCCT

puts "============"
puts "OCC25385"
puts "============"
puts ""
#######################################################################
# steep increase in tolerance by intersection
#######################################################################

restore [locate_data_file bug25385_shell2.brep] s

regexp {Tolerance +MAX=([-0-9.+eE]+)} [tolerance s] full MaxTol_s_1

plane p 28.5 0 0 1 0 0 0 1 0
mkface f p
bop s f
bopsection r

regexp {Tolerance +MAX=([-0-9.+eE]+)} [tolerance s] full MaxTol_s_2

set tol_abs_MaxTol 0.0001
set tol_rel_MaxTol 0.0001
checkreal "MaxTolerance " ${MaxTol_s_2} ${MaxTol_s_1} ${tol_abs_MaxTol} ${tol_rel_MaxTol}

checkprops r -l 36.2401